# -*- coding: utf-8 -*-
import sys
from PyQt5.QtWidgets import QApplication, QWidget

class MyForm(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle('hello Qt.')
        self.resize(400,300)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    win = MyForm()
    win.show()
    app.exec_()

